Gaya APA
ASTM, . (2005).
ASTM D 6608 - 00 Standard Practice for the Identification of Trinidad Lake Asphalt Mixes .
:
ASTM.
Gaya MLA
ASTM, .
"ASTM D 6608 - 00 Standard Practice for the Identification of Trinidad Lake Asphalt Mixes".
:
ASTM,
2005.
Diorama.